11101212212210 has 16 divisors (see below), whose sum is σ = 20320863033600. Its totient is φ = 4365222428976.

The previous prime is 11101212212177. The next prime is 11101212212243. The reversal of 11101212212210 is 1221221210111.

It is an interprime number because it is at equal distance from previous prime (11101212212177) and next prime (11101212212243).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9407806370 + ... + 9407807549.

It is an arithmetic number, because the mean of its divisors is an integer number (1270053939600).

Almost surely, 2^{11101212212210} is an apocalyptic number.

11101212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101212212210 is a deficient number, since it is larger than the sum of its proper divisors (9219650821390).

11101212212210 is a wasteful number, since it uses less digits than its factorization.

11101212212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18815613985.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101212212210 its reverse (1221221210111), we get a palindrome (12322433422321).

The spelling of 11101212212210 in words is "eleven trillion, one hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".